H46H-16P,H46H-25P,H46H-40P对夹双瓣旋启式止回阀

H46H-16P,H46H-25P,H46H-40P对夹双瓣旋启式止回阀

H46W-16P,H46W-25P,H46W-40P对夹双瓣旋启式止回阀

H46H-16P,H46H-25P,H46H-40P对夹双瓣旋启式止回阀
H46W-16P,H46W-25P,H46W-40P对夹双瓣旋启式止回阀

H42W-6P-DN40,H42W-6P-DN50,H42W-6P-DN65不锈钢法兰底阀
H42W-6P-DN80,H42W-6P-DN100,H42W-6P-DN125不锈钢法兰底阀
H42W-6P-DN150,H42W-6P-DN200,H42W-6P-DN250不锈钢法兰底阀
H42W-6P-DN350,H42W-6P-DN400,H42W-16P-DN400不锈钢法兰底阀